Watch Free Online HD Moviesjoy.strong> Ever wonder why Dave is always yelling, "Alvinnn!!!"? What does it take to really drive Dave CRAZY? Is it when Dave is about to say "I do" before the wedding and is then hijacked by Alvin? Is it when Alvin challenges Dave to a duel with water balloons for the hand of his teacher Miss Stone? Is it when Dave accidentally drinks the boys new shrinking potion and is suddenly the size of a peanut? Find out in this fun-filled musical adventure with your favorite troublemaker, Alvin!